Nielsen Hayden genealogy
Descendants of Simon I
Abt 1261 - 1344 (~ 83 years)Father: Bernhard IV ( - Abt May 1275)
Mother: Agnes von Kleve ( - Bef 1 Aug 1285)
Simon I (Abt 1261 - 10 Aug 1344)
Adelheid von Waldeck ( - Between 17 Aug 1338 and 5 Aug 1342)(m. Bef Aug 1282)
   └─ Adelheid zur Lippe ( - Aft 1324)
    Hermann II of Everstein ( - Between 20 Jun 1350 and 12 Jun 1351)
       └─ Adelheid of Everstein ( - Aft 1376)
        Ernst of Brunswick (Abt 1297 - 11 Mar 1361)(m. Abt 1335)
           └─ Albrecht I of Brunswick (Abt 1339 -
            Between 11 Aug 1383 and 22 Sep 1383 Salzderhelden, Lower Saxony, Germany) =>
            Between 11 Aug 1383 and 22 Sep 1383 Salzderhelden, Lower Saxony, Germany) =>
            + Agnes of Brunswick-Lüneburg ( - 21 Mar 1410)(m. Bef 17 Aug 1372)